Last Updated: June 24, 2026

TELEPAQUE Drug Patent Profile


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When do Telepaque patents expire, and what generic alternatives are available?

Telepaque is a drug marketed by Ge Healthcare and is included in one NDA.

The generic ingredient in TELEPAQUE is iopanoic acid. There is one drug master file entry for this compound. Additional details are available on the iopanoic acid profile page.

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Summary for TELEPAQUE
US Patents:0
Applicants:1
NDAs:1
Raw Ingredient (Bulk) Api Vendors: 68
Patent Applications: 1,789
DailyMed Link:TELEPAQUE at DailyMed

US Patents and Regulatory Information for TELEPAQUE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Ge Healthcare TELEPAQUE iopanoic acid TABLET;ORAL 008032-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Last updated: February 15, 2026

mmary:
Telepaque, a diagnostic imaging agent, is positioned within the medical imaging market for gastrointestinal and oncological indications. Its market evolution depends on regulatory approvals, clinical adoption, and technological competition. Financial trajectory projections indicate growth driven by increased adoption and strategic partnerships, with key drivers and barriers shaping future revenue potential.

What Is the Market Position of TELEPAQUE?

Telepaque (sulfur colloid) is primarily used in lymphoscintigraphy for sentinel lymph node detection in cancer staging, especially breast cancer and melanoma. It competes with other radiotracers such as Technetium-99m labeled agents. Market share hinges on regulatory approvals, clinical guidelines, and manufacturer presence.

Major companies, including GE Healthcare and Lantheus, own leading radiotracers for lymphatic imaging. Telepaque's unique properties or approval status influence its competitive standing. Currently, Telepaque's market share remains niche but has potential for expansion with renewed clinical interest or regulatory changes.

What Are the Key Market Drivers and Restraints?

Drivers:

  • Rising incidence of breast cancer and melanoma increases demand for lymphatic mapping procedures.
  • Regulatory approvals or re-approvals, such as FDA clearance or CE marking, expand potential use cases.
  • Advances in nuclear medicine imaging technology improve diagnostic accuracy and drive clinicians to adopt newer agents.
  • Increasing investments in cancer staging and personalized treatment drive procedural volume growth.

Restraints:

  • Limited regulatory approval outside specific jurisdictions constrains market expansion.
  • Competition from broader-availability agents reduces market share.
  • Safety concerns, such as allergic reactions or adverse events, impact clinician confidence.
  • Cost and reimbursement issues influence hospital and clinic uptake.

How Is the Regulatory Environment Shaping TELEPAQUE’s Trajectory?

Regulatory approvals significantly impact the market for nuclear imaging agents. The U.S. FDA classifies sulfur colloid products as medical devices or radiopharmaceuticals with specific clearance pathways. If Telepaque faces delays or lacks approval in key markets like the U.S., sales growth stalls.

European CE marking facilitates access across European nations. Changes in regulatory policies, such as expedited pathways for certain oncology imaging agents, could influence throughput. Efforts to secure approvals for broader indications or new formulations could offset existing market limitations.

What Are the Financial Outlooks and Revenue Projections?

Market Size Estimates:

  • The global nuclear medicine market was valued at approximately USD 8 billion in 2021 and is expected to grow at a compound annual growth rate (CAGR) of around 5% through 2027 (source [1]).

Segment Contributions:

  • Lymphoscintigraphy accounts for an estimated 15-20% of nuclear medicine procedures in oncology, translating to an approximate USD 1.2 billion market (source [2]).

Telepaque-Related Sales:

  • Exact sales figures are proprietary; however, assuming Telepaque captures 10-15% of lymphoscintigraphy market share in niche regions, potential revenues could reach USD 120-180 million annually in regions with approved indications.

Growth Drivers:

  • Rising procedure volume and expanding indications can double revenues over five years if regulatory and clinical adoption improve.
  • Strategic partnerships, licensing deals, or FDA approvals could accelerate revenue expansion.

Constraints:

  • Market penetration is limited outside Europe and select regions.
  • Competition and pricing pressures could suppress profit margins.
  • Development costs for new formulations or indications are substantial, impacting net margins.

What Is the Competitive Landscape for TELEPAQUE?

Major competitors include:

  • Technetium-99m labeled agents like Technescan, Lymphoseek, which have broader approval and established market grip.
  • Alternative imaging modalities such as blue dye, MRI, or PET tracers, which influence procedural choices.

Telepaque's advantage lies in specific clinical utility and potentially better safety or imaging qualities. However, extensive market presence of competitors diminishes growth unless regulatory and clinical acceptance improve.

What Are the Risks and Opportunities?

Risks:

  • Regulatory delays can restrict market access.
  • Market saturation by other agents limits expansion prospects.
  • Reimbursement challenges can delay or reduce adoption.

Opportunities:

  • Expanded approval for new indications, such as other cancers or inflammatory diseases.
  • Technological innovations enhancing imaging precision.
  • Partnerships with major medical device companies to integrate Telepaque into broader diagnostic workflows.

Key Takeaways

  • Telepaque operates in a niche yet potentially expanding segment of nuclear medicine focused on lymphatic mapping.
  • Market growth depends heavily on regulatory approval, clinical adoption, and competition handling.
  • The global nuclear medicine market offers a sizeable backdrop, with targeted procedures like lymphoscintigraphy expected to grow at a 5% CAGR.
  • Revenue projections suggest potential USD 120-180 million annually in regions with active approval, contingent on market penetration.
  • Competition from broader-approval radiotracers and alternative imaging methods presents challenges, but strategic expansion and regulatory wins could generate growth.

FAQs

1. What is the primary use case for Telepaque?
It is used in lymphoscintigraphy to identify sentinel lymph nodes in cancers like breast cancer and melanoma.

2. How does Telepaque compare to other radiotracers?
It offers specific advantages in imaging quality or safety in certain indications but faces stiff competition from agents with broader regulatory approval and market penetration.

3. What regulatory hurdles does Telepaque face?
Lack of FDA approval in the U.S. limits access in the largest medical market. European CE marking exists, and approval in other regions varies.

4. What factors could drive revenue growth?
Clinical guideline endorsements, expanded indications, regulatory approvals, and technological improvements in imaging modalities.

5. What are the main barriers to market expansion?
Limited regulatory approvals outside Europe, competition from established agents, and reimbursement challenges.


Sources
[1] MarketWatch. "Global Nuclear Medicine Market Size," 2022.
[2] IQVIA. "Oncology Imaging Procedures," 2021.

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